3 Ways To Remove Duplicates in an Array with JavaScript

Jennifer Bland
2 min readJan 6, 2023

Sometimes you have an array of data and you want to remove all duplicates from the array. In this article, I will show you three ways in which you can do this.

1) Remove duplicates using forEach and includes

The Array includes() method determines whether an array includes a certain value among its entries…

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Jennifer Bland

Software Engineer. Google Developers Expert. Keynote Speaker. Entrepreneur. Mountain Climber. Neil Diamond fan. World traveler. jenniferbland.com & codeprep.io